Abbreviations

General Information

Applies to: 1991–1995; AW30-40, AW30-43

A number of abbreviations and symbols will be used to denote the various leads and terminals in the fault-tracing section of this manual. These are explained below.

Applies to: 1996–1997

A

A/C AC Air Conditioning System (A/C System)

AP Accelerator pedal

ACL Air cleaner

C

CAC Charge air cooler****

CCM Climate control module

CEM Central electronic module

CFI Continuous fuel injection

CKP Crankshaft position

CMP Camshaft position

CTP Closed throttle position

D

DI Distributor

DLC Data link connector (DLC)

DTC Diagnostic trouble code

DTM Diagnostic test mode (DTM)****

DSA Dynamic Stability Assistance

E

ECC Electronic climate control with air conditioning (A/C)

ECM Engine control module

ECT Engine coolant temperature

EGR Exhaust gas recirculation

EI Electronic ignition

EVAP Evaporative control system

F

FC Fan control

FP Fuel pump

G

GEN Generator

H

HO2S Heated oxygen sensor

I

IAC Idle air control

IAT Intake air temperature

ICM Ignition control module

K

KS Knock sensor

M

MAF Mass air flow

MAP Manifold absolute pressure****

MCC Manual climate control with air conditioning (A/C)

MFI Multiport****fuel injection

MIL Malfunction indicator lamp

N

NTC Negative temperature coefficient

O

O2S Oxygen sensor (not heated)

OBD On-board diagnostic system

P

PAIR Pulsed secondary air injection system****

PNP Park / neutral position (shift-lock) switch****

PTC Positive temperature coefficient

PWM Pulse width modulated

R

RPM Engine speed

S

SRI Service reminder indicator

SRS Supplementary restraint system (airbag)

ST Volvo Scan Tool

STD Manual climate control without air conditioning (A/C)

T

TB Throttle body

TC Turbocharger

TCM Transmission control module

TDC Top dead center

TP Throttle position

TWC Three-way catalytic converter

V

VSS Vehicle speed sensor

W

WOT Wide open throttle